. >>> the independence day holiday is upon us. the first big fireworks show actually took place tonight. in fact, it just wrapped up minutes ago with more on tap for tomorrow. good evening i'm frank somerville. >> and i'm julie haener. today police begin their dui patrols. new at 10:00, matt keller is in campbell after riding with officers on dui patrol. >> reporter: looking deputies begin their dui patrol looking to keep drunk drivers off the roads. 18 kegs were ordered waiting for pick up as people get ready to celebrate independence day with a beer or two. >> a lot of the cocktail drinks and white wine is very hot this week and beer is the most popular thing. a lot of kegs. >> reporter: no holiday time off for santa clara county sheriff deputies. 700 people were arrested for drunk driving over the fourth of july weekend last year. tuttle is asking to add to that by watching signs. >> drifting within the lane or drifting tr lane to lane. >> reporter: a first time drunk driving conviction means you could lose your license for at